As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF BLUE HYD SYS QTY AT ALTITUDE. FLUID LEVEL DOWN TO RED DOT ON GAUGE. FOLLOWED QRH, SHUT PUMPS DOWN IAW ECAM WARNINGS BEFORE AT RED LINE ON LEVEL INDICATION. SERVICED SYS IAW MM 12-12-29-0. R & R BLUE HYD QTY TRANSMITTER IN REF MM 29-31-11-04. RAN BOTH ENGINES IN REF TO; JRH CHAP.5 CYCLE FLIGHT CONTROL SEVERAL TIMES FOR 5 MINS. OPS CHECK NORMAL, LT BLUE SYS QTY IN TOP HAT ON GAUGE. ACFT OK TO CONTINUE.